USN-1763-1: NSS vulnerability

nss vulnerability

A security issue affects these releases of Ubuntu and its derivatives:

Ubuntu 12.10

Ubuntu 12.04 LTS

Ubuntu 11.10

Ubuntu 10.04 LTS

Summary

NSS could be made to expose sensitive information over the network.

Software Description

nss - Network Security Service library

Details

Nadhem Alfardan and Kenny Paterson discovered that the TLS protocol as used
in NSS was vulnerable to a timing side-channel attack known as the
“Lucky Thirteen” issue. A remote attacker could use this issue to perform
plaintext-recovery attacks via analysis of timing data.

Update instructions

The problem can be corrected by updating your system to the following package versions: